Remove roast from refrigerator 1 hour prior to cooking. Preheat oven to 375 degrees.
Mix up herb and oil rub. Spread the rub all over the meat and place into the preheated oven for 1 hour.
At the 1 hour mark, turn the oven off and DO NOT OPEN OVEN TO CHECK IT!! Leave it alone for 2 full hours.
At the 2 hour mark,. turn the oven to 300 degrees and cook for 45 minutes for rare, 50 minutes for medium and 55 minutes for medium-well.
Remove the roast from the oven and let sit covered in foil for 10-15 minutes to let juices redistribute. Then slice and eat with horseradish sour cream or au jus. ENJOY!